5

CVE-2011-4963: f5 nginx

CVSS: 5.0v2.0MediumModified
Published 26-07-2012Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2011-4963 is a medium (CVSS 5.0) vulnerability in f5 nginx. EPSS estimates a 5.96% chance of exploitation in the next 30 days, higher than 93.2% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
5.96%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 26-07-2012
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

nginx/Windows 1.3.x before 1.3.1 and 1.2.x before 1.2.1 allows remote attackers to bypass intended access restrictions and access restricted files via (1) a trailing . (dot) or (2) certain "$index_allocation" sequences in a request.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

5.96%

Chance of exploitation in the next 30 days

Percentile

93%

Versus all other CVEs

30-day change

0.00 pp

From 5.96% on 19-09-2026

19-09-202619-10-2026
EPSS score
5.96%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

F51 product
  • nginxEOL≥ 0.7.52, < 1.2.1 | 1.3.0

1 vendor · 1 product

References

3 links